JP3177249U - Cap mounting structure - Google Patents

Abstract

Provided is a cap attachment structure in which a user can easily attach a cap to a stationery body with a small force and can be removed from the stationery body.
At the end of the scissors body 51, locking portions 11 capable of fixing a cap are provided on both sides in the width direction. The cap is provided with an engaging portion that engages with the engaging portion 11, and the engaging portion 11 includes a tapered flat portion 13 that expands toward the distal end portion of the elongated stationery body, and the tapered flat surface. A tapered protrusion 14 that defines a portion 13 and has a height dimension that decreases in the direction of the tip, and an open end 15 that is formed on the end side of the tapered flat portion 13, and The engaging portion has a planar shape that matches the tapered planar portion 13 and has a pair of locking pieces that can be elastically deformed along the width direction of the cap and engage with the locking portion 11.
[Selection] Figure 2

Description

  The present invention relates to an improvement of a cap mounting structure.

  As a cap mounting structure for a cap that covers the end of a known elongated stationery body to the elongated stationery body, a cap is provided with a protrusion on the elongated stationery body and an engaging portion that can be engaged with the protrusion. Has been proposed (Patent Document 1).

However, when the projecting part is engaged with the engaging part and the elongated stationery body is covered with the cap, or when the projecting part is detached from the hole and the cap is removed from the elongated stationery body, the cap Since it is necessary to press-fit or pull out the elongated stationery main body with a predetermined force along the length direction, there is a problem that the work of removing the cap is complicated.
Japanese Utility Model Publication No. 57-41785

  An object of the present invention is to provide a cap attachment structure that allows a user to easily attach a cap to a stationery body with a small force and to remove the cap from the stationery body.

  In order to solve the above-described problem, in the cap mounting structure according to the first aspect of the present invention, the end portion of the elongated stationery body is provided with a locking portion that can fix the cap on both sides in the width direction. In addition, the cap is provided with an engaging portion that engages with the engaging portion, and the engaging portion includes a tapered flat portion that expands toward the distal end portion of the elongated stationery body, and the tapered flat portion. A taper-shaped protrusion that is defined and has a height that decreases in the direction of the tip, and an open end formed on the end of the tapered flat surface, and the engagement portion includes: It has a planar shape that matches the tapered planar portion, and has a pair of locking pieces that can be elastically deformed along the width direction of the cap and engage with the locking portion.

  In the cap mounting structure according to the second aspect of the present invention, the tapered flat portion is provided with a protrusion, and the engagement portion is formed with a hole capable of accommodating the protrusion. It is characterized by.

  In the cap mounting structure according to the third aspect of the present invention, the locking piece portion is formed in a planar taper shape that becomes narrower as it reaches the tip portion, and has a small thickness dimension as it reaches the tip portion. It is formed so that it may become.

  In the cap mounting structure according to the invention of claim 4, the elongated stationery body and the cap are formed in a substantially quadrangular cross section, and the locking portion and the locking piece portion are formed on opposite side surface portions. Features.

  In the cap mounting structure according to the fifth aspect of the present invention, the elongated stationery body and the cap are made of synthetic resin.

  In the cap mounting structure according to the invention of claim 6, the elongated stationery is scissors, and the elongated stationery body includes a pair of gripping portions joined to each other via a shaft portion at their distal ends, Each of the gripping portions has a protruding blade portion, and the protruding portion is constituted by the shaft portion, and the cap is disposed so as to cover the blade portion. This is a feature.

  In the cap mounting structure according to the seventh aspect of the present invention, the tapered flat portion is formed with a step portion inward of the outer surface general surface of the grip portion, and the tapered protrusion is the step portion. It is characterized by comprising.

  In the cap mounting structure according to the invention of claim 8, the locking piece is formed integrally with a pair of opposite side surfaces of the cap and protrudes from the rear end of the cap, and the locking Slit portions formed along the length direction are provided on both sides of the base portion of the one portion.

In the device according to claim 1, the end portion of the elongated stationery body is provided with a locking portion capable of fixing a cap on each side in the width direction, and the cap is engaged with the locking portion. An engaging portion is provided, and the locking portion defines a tapered flat surface portion that expands in the direction of the distal end portion of the elongated stationery main body and the tapered flat surface portion and increases in the direction toward the distal end portion. In addition to having a tapered protrusion whose height is reduced, and an open end formed on the end side of the tapered planar portion, the engaging portion has a planar shape that matches the tapered planar portion. And having a pair of locking pieces that can be elastically deformed along the width direction of the cap and engage with the locking portion, when attaching the cap body to the elongated stationery body, , Arranged in a state where the locking piece part fits Is, the locking portion the engaging portion by sandwiching, the cap is attached to the elongate stationery body.
In addition, when removing the cap from the elongated stationery body, the locking portion has the tapered flat portion and the tapered protrusion that expand toward the distal end portion of the elongated stationery body.
By twisting so as to rotate along the side surface direction of the cap, the locking piece portion can be detached from the tapered flat portion, and the cap is detached from the elongated stationery body through the open end portion.
As a result, it is possible to provide a cap attachment structure that allows the user to easily attach the cap to the stationery body with a small force and to remove the cap from the stationery body.

  In the invention according to claim 2, the tapered flat portion is provided with a protrusion, and the engaging portion is formed with a hole that can accommodate the protrusion. When the protrusion is housed in the hole, the protrusion is engaged with the hole. Therefore, in the device according to claim 2, in addition to the effect of the device according to claim 1, Thus, there is an effect that the elongated stationery body and the cap can be reliably locked.

In the invention according to claim 3, the locking piece portion is formed in a planar taper shape that becomes narrower as it reaches the tip portion, and has a smaller thickness dimension as it reaches the tip portion. Thus, when the cap is attached to the elongated stationery body, the engaging portion can be more smoothly engaged with the locking portion.
As a result, in addition to the effect of claim 1, it is possible to provide a cap attachment structure that makes it easier to attach and remove the cap to the elongated stationery body.

The invention according to claim 4 is characterized in that the elongated stationery main body and the cap are formed in a substantially quadrangular cross section, and the locking portions and the locking piece portions are formed on opposite side surface portions. .
In the device according to claim 4, since the locking portion and the locking piece portion are formed on opposite side surface portions, the cap mounting structure that can securely fix the cap to the elongated stationery body Can be provided.

  In the invention according to claim 5, since the elongated stationery body and the cap are made of synthetic resin, the cap is easily elastically deformed. As a result, in addition to the effect of claim 4, the invention of claim 5 provides a cap mounting structure that can reduce the manufacturing cost and can easily and reliably fix the cap to the elongated stationery body. be able to.

  7. The device according to claim 6, wherein the elongated stationery is scissors, and the elongated stationery body includes a pair of gripping portions that are pivotally joined to each other via a shaft portion at a distal end portion, and the gripping portion. Each of which has a protruding blade portion, the protruding portion is constituted by the shaft portion, and the cap is disposed so as to cover the blade portion. It is possible to provide a cap mounting structure that allows the user to easily attach the cap to the scissors body with a small force and to remove the cap from the scissors body.

  According to a seventh aspect of the present invention, the tapered flat portion is formed with a stepped portion inward of the outside general surface of the gripping portion, and the tapered protrusion is formed by the stepped portion. Therefore, when the cap is attached to the scissors main body, the engaging piece portion is arranged on the tapered flat portion, so that the outer surface general surface of the gripping portion and the upper surface portion of the engaging piece portion are arranged. Since they are arranged so as to be substantially continuous, it is possible to provide a cap mounting structure with good appearance quality.

In the invention according to claim 8, the locking piece is formed integrally with a pair of side surfaces facing each other of the cap and protrudes from the rear end of the cap. Since the slit portions formed along the length direction are provided on both sides of the base portion, the locking piece portion is easily expanded, and the locking piece portion is easily elastically deformed.
As a result, in addition to the effect of the fourth aspect, the cap can be attached to and detached from the elongated stationery body more smoothly.

It is a perspective view which shows one Embodiment of the cap attachment structure which concerns on this invention, and shows the state in which the cap is attached to the elongate stationery. 1 is a side view showing an elongated stationery with a cap removed according to an embodiment of a cap attachment structure according to the present invention. It is a perspective view which shows one Embodiment of the cap attachment structure which concerns on this invention, and shows a cap. It is a side view which shows one Embodiment of the cap attachment structure which concerns on this invention, and shows a cap. It is a side view which shows one Embodiment of the cap attachment structure which concerns on this invention, and shows the elongate stationery of the state in which the cap was attached partially. It is a front view which shows one Embodiment of the cap attachment structure which concerns on this invention, and shows the state which uses the elongate stationery in embodiment as scissors. It is a front view which shows one Embodiment of the cap attachment structure based on this invention, and shows the state removed so that a cap may be twisted from the elongate stationery in Embodiment.

  Hereinafter, based on an embodiment shown in the accompanying drawings, a case where the cap mounting structure according to the present invention is applied to scissors will be described in detail as an example.

As shown in FIGS. 1 to 7, the elongated stationery is a scissor 52, which is composed of a scissor body 51 and a cap 70 that can detachably cover the blade portion 57 of the scissors body 51.
As shown in FIG. 7, the scissors main body 51 is made of a synthetic resin. As shown in FIG. 7, the pair of gripping portions 55 and 55 joined to each other via a shaft portion 54, and the tips of the gripping portions 55 and 55. The portions 55a and 55a have projecting blade portions 57 and 57, respectively, and the blade portions 57 and 57 rotate in a bi-directional manner (arrow direction) via the shaft portion 54. Is configured to do.

  As shown in FIGS. 1 to 5, the scissors body 51 and the cap 70 are formed in a substantially rectangular shape in cross section, and all are formed in a substantially elongated rectangular parallelepiped shape as a whole.

As shown in FIGS. 1 and 6, the gripping portions 55 and 55 of the scissor body 51 are respectively provided with long hole portions 59 and 59 along the length direction on the outer side surface portions, respectively. A handle frame portion 60 that is formed in a thin wire shape made of synthetic resin and protrudes outward in the width direction is internally provided along the length direction.
The rear end portion 60 a of the handle frame portion 60 is fixed to the rear end portion 55 b of the grip portion 55, and the front end portion 60 b is fixed to a slider portion 61 housed in the slide hole portion 64.
As a result, by operating the slider portion 61 slidably disposed in the slide hole portion 64, the handle frame portion 60 is bulged out in a curved state, and a finger is inserted when the scissor body 51 is used. A pair of handle portions 62, 62 that can be used in this manner are configured to expand outward.

As shown in FIGS. 1 to 3, the engaging portions 11 to which caps 70 can be fixed to the front end portions 55a and 55a of the grip portions 55 and 55 of the scissors main body 51 on both side surfaces facing each other in the width direction. 11 are provided.
As shown in FIG. 2, the locking portion 11 defines a tip end portion of the scissor body 51, that is, a tapered flat portion 13 that expands toward the blade portion 57, and the tapered flat portion 13. A stepped portion 58 whose height dimension gradually decreases from the general surface 55c of the gripping portion 55 toward the blade portion 57 in the direction of the tip portion, and an opening formed on the end side of the tapered flat portion 13 And an end 15.

The open end 15 of the tapered planar portion 13 is formed to bulge in a semicircular shape, and the stepped portion 58 is formed from a semicircular base 58a and both ends of the semicircular base 58a toward the blade 57. It is comprised by the linear part 58b, 58b each extended in the.
The semicircular base portion 58a and the straight portions 58b and 58b are formed between the general surface 55c and the tapered flat surface portion 13 and have a slope portion 14a inclined so as to expand outward in the thickness direction. is doing.
As shown in FIGS. 1 and 2, a substantially hemispherical protrusion 17 is provided at a substantially central portion of the tapered flat portion 13.

  As shown in FIG. 3, the cap 70 is provided with engaging portions 12, 12 that engage with the locking portions 11, 11 of the scissor body 51, facing each other in the width direction. The engaging portions 12, 12 are constituted by a pair of locking pieces 16 a, 16 b having the same shape that can be elastically deformed along the width direction of the cap 70 and engage with the locking portions 11, 11.

  In the present embodiment, one locking piece portion 16a is formed at the lower end portion of the side surface portion 73a which is the same as the clip portion 74, and the other locking piece portion 16b is formed on the side surface portion 73a. It is formed in the lower end part of the side part 73c which opposes.

  As shown in FIG. 3, the planar shape of the locking piece portions 16 a and 16 b is the same size as the tapered planar portion 13 so as to fit the tapered planar portion 13, and the tip portion 21 has the same size. It is formed in a tapered shape on a plane that becomes narrower as it goes.

  As shown in FIG. 4, the locking piece portions 16 a and 16 b have the upper surface portion 22 formed on the same plane as the general surface 73 e of the side surface portion 73 a, and the lower surface portion 23 gradually decreases in thickness toward the tip portion 21. It is formed in a taper shape so as to have a vertical dimension.

  Each of the locking pieces 16a and 16b is provided with a hole 18 through which the protrusion 17 can be accommodated in the thickness direction. The inner diameter of the hole 18 is the diameter of the protrusion 17. It is formed approximately the same as the dimensions.

  In addition, on both sides of the base end portions of the locking piece portions 16a and 16b, the slit portions 20 and 20 have predetermined length dimensions along the length direction at portions that are lower end portions of the side surface portions 73a and 73c facing each other. It is formed over.

Hereinafter, the operation of the cap mounting structure according to the present embodiment will be described.
When the cap 70 is attached to the scissors main body 51, as shown in FIG. 5, the cap 70 is attached to the scissors main body from the direction of the tip of the blade portions 57, 57 overlapped with the gripping portions 55, 55 closed. It inserts so that the blade parts 57 and 57 may be covered along the length direction of 51.

  When the cap 70 is inserted so as to cover the blade portions 57, 57 of the scissors body 51, the locking pieces 16a, 16b provided on the engaging portions 12, 12 are respectively paired with gripping portions. The projections 17, 17 formed on the tapered flat surfaces 13, 13 of the locking portions 11, 11 formed at 55, 55 abut.

In this case, as shown in FIG. 5, the locking piece portions 16a and 16b are expanded outward in the width direction and elastically deformed, so that the pair of locking piece portions 16a and 16b become the hemisphere. Get over the ridges 17,17.
In the present embodiment, the slit portions 20 and 20 formed along the length direction are provided on both sides of the base portions 19 and 19 of the locking piece portions 16a and 16b, respectively. Since the length dimension of the slit parts 20 and 20 can be secured, the locking piece parts 16a and 16b are elastically deformed and expanded.

  As shown in FIG. 1, the locking piece portions 16 a and 16 b are formed in a planar taper shape that becomes narrower toward the distal end portion 21 so as to be compatible with the tapered planar portions 13 and 13. Since the same size is formed, the locking pieces 16 a and 16 b are arranged in the tapered flat portions 13 and 13 in a state of being fitted to the tapered flat portions 13 and 13.

As a result, since the hemispherical projections 17 and 17 are accommodated in the holes 18 and 18 formed in the locking pieces 16a and 16b, the engaging portion 12 is engaged with the locking portion 11. To do.
As a result, when the cap 70 is attached to the scissors body 51, the engaging portion 12 can be smoothly engaged with the locking portion 11.

  On the other hand, when removing the cap 70 from the scissors body 51, as shown in FIG. 6, the cap 70 is twisted so as to rotate in the direction of the side surfaces 73a, 73b, 73c, 73d of the cap 70. By this twisting operation, the lower surface portion 23 of the locking piece portions 16a and 16b slides on the upper surface portion 24 of the protrusions 17 and 17, so that the pair of hole portions 18 and 18 and the protrusions 17 and 17 are engaged. Canceled.

Further, in this case, as shown in FIG. 6, a stepped portion 58 whose height dimension gradually decreases from the general surface 55c of the gripping portion 55 toward the blade portion 57 is formed, and the tapered planar portion 13, Since the straight portions 58b and 58b that define 13 have a slope portion 14a that is inclined so as to expand outward in the thickness direction, the twisting operation is added to the locking pieces 16a and 16b. In this case, the locking pieces 16a and 16b are easily detached from the tapered flat portions 13 and 13.
As a result, the cap 70 moves in the direction of the distal end portion of the scissors body 51, and the open end portion 1 is moved.
5, the cap 70 is removed from the scissors body 51.

  In the present embodiment, as described above, the pair of locking piece portions 16a and 16b is a flat surface that becomes narrower as it reaches the distal end portion 21 so as to be compatible with the tapered flat surface portions 13 and 13. It is formed in the taper shape and the same size, and the holes 18 and 18 formed in the locking pieces 16a and 16b are substantially hemispherical formed in the taper-shaped flat portions 13 and 13. Since the cap 70 is configured to be fixed to the scissors body 51 by engaging the protrusions 17 and 17, the upper surface portion 24 of the protrusions 17 and 17 and the tapered planar portion are covered when the cap is covered. 13 and 13, the cap 70 can be fixed to the scissor body 51 with a very light force.

  In addition, after fixing, the protrusions 17 and 17 are accommodated in the holes 18 and 18, and the engaging portion 12 by the locking pieces 16 a and 16 b is locked to the locking portion 11. It is securely fixed to the scissors body 51.

Further, since the slit portions 20 and 20 are formed on both sides of the base end portion of the locking piece portions 16a and 16b, the locking piece portions 16a and 16b are engaged with the protrusions 17 and 17, respectively. When doing so, the cap 70 can be fixed to the scissor main body 51 by an extremely light force because it is elastically deformed and easily spreads.
As a result, the force required when the cap 70 is fixed to the scissors body 51 can be reduced, and a stationery cap mounting structure that can easily fix the cap 70 to the scissors body 51 can be provided.

  Further, when the cap 70 is removed, as described above, the slit portions 20 and 20 are formed on both sides of the base end portions of the locking piece portions 16a and 16b, respectively. Since the lengthwise dimensions of the portions 16a and 16b can be ensured, when the cap 70 is twisted, it easily elastically deforms and absorbs the torsional stress applied along the width direction of the locking piece portions 16a and 16b. can do.

  Further, as described above, the engagement between the upper surface portion 24 of the protrusions 17 and 17 and the lower surface portion 23 of the tapered flat surface portions 13 and 13 is brought into the engaged state, so that the tapered flat surface portion 13 is formed. , 13 is formed between the general surface 55c and the tapered flat surface portion 13, and the inclined surface portion is inclined so as to expand outward in the thickness direction. When the twisting operation is applied to the locking piece portions 16a and 16b, coupled with the fact that the locking piece portions 16a and 16b are coupled, the locking piece portions 16a and 16b can be easily tapered. The engagement between the holes 18 and 18 and the projections 17 and 17 can be released with a very light force.

  Further, when the twisting operation described above is applied, the locking pieces 16a and 16b are elastically deformed to expand outward in the width direction and get over the protrusions 17 and 17, but the protrusions 17 and 17 When passing through the top, the locking pieces 16a and 16b are restored to their original shape by the deformation stress generated when they are elastically deformed and expanded.

  Accordingly, since the upper surface portion 24 of the protrusions 17 and 17 is lowered by the deformation stress that returns to the original shape, the deformation stress and the protrusion 17 that are to return to the original state after passing through the top portion. 17 together with the lowering action of the upper surface portion 24, the locking pieces 16 a and 16 b are released from the engaging portion 12 very lightly.

  Therefore, according to the present embodiment, it is possible to provide a stationery cap mounting structure that reduces the user's force when removing the cap 70 from the scissors body 51 and allows the cap 70 to be easily detached from the scissors body 51. .

  Since the present invention can be applied to a cap attachment structure for an elongated stationery, it has wide industrial applicability.

DESCRIPTION OF SYMBOLS 11 Locking part 12 Engaging part 13 Tapered planar part 14 Tapered protrusion 14a Slope part 15 Open end part 16a Locking piece part 16b Locking piece part 17 Projection part 18 Hole part 19 Base part 20 Slit part 21 Tip part 22 Upper surface part 23 Lower surface part 24 Upper surface part 51 Scissor body 52 Scissors 54 Shaft part 55 Grasping part 55a Tip part 55b Rear end part 55c General surface 57 Blade part 58 Step part 58a Semicircular base part 58b Straight part 59 Long hole part 60 Handle frame Portion 60a rear end portion 60b front end portion 61 slider portion 62 handle portion 64 slide hole portion 70 cap 73 side surface portion 73a side surface portion 73b side surface portion 73c side surface portion 73d side surface portion 73e general surface 74 clip portion

Claims (8)

  The cap is attached to the elongated stationery main body with a cap covering the end of the elongated stationery main body, and the end of the elongated stationery main body is provided with a locking portion capable of fixing the cap on each side in the width direction. In addition, the cap is provided with an engaging portion that engages with the engaging portion, and the engaging portion includes a tapered flat portion that expands toward the distal end portion of the elongated stationery body, and the tapered flat portion. A taper-shaped protrusion that is defined and has a height that decreases in the direction of the tip, and an open end formed on the end of the tapered flat surface, and the engagement portion includes: A cap attachment for a stationery comprising a pair of locking pieces that have a planar shape that conforms to the tapered flat portion and that can be elastically deformed along the width direction of the cap to engage with the locking portion. Construction.   2. The stationery cap mounting structure according to claim 1, wherein the tapered flat portion is provided with a protrusion, and the engaging portion is formed with a hole capable of accommodating the protrusion. .   The locking piece portion is formed in a planar taper shape that becomes narrower as it reaches the tip portion, and is formed to have a smaller thickness dimension as it reaches the tip portion. The stationery cap mounting structure according to claim 1.   2. The stationery cap mounting structure according to claim 1, wherein the elongated stationery body and the cap are formed in a substantially quadrangular cross section, and the locking portions and the locking piece portions are formed on opposite side surface portions.   The stationery cap mounting structure according to claim 4, wherein the elongated stationery body and the cap are made of a synthetic resin.   The elongate stationery is scissors, and the elongate stationery body is protruded from a pair of gripping portions that are pivotally joined to each other via a shaft portion at the distal end portion and the distal end portion of the gripping portion, respectively. 6. The stationery cap attachment according to claim 5, further comprising a blade portion, wherein the projecting portion is constituted by the shaft portion, and the cap is disposed so as to cover the blade portion. Construction.   The taper-shaped flat portion is formed with a stepped portion inward from the outer surface general surface of the gripping portion, and the taper-shaped projecting portion is constituted by the stepped portion. Stationery cap mounting structure.   The locking piece portion is integrally formed on a pair of side portions facing each other of the cap and protrudes from the rear end portion of the cap, and on both sides of the base portion of the locking piece portion along the length direction. The cap attachment structure according to claim 4, wherein a slit portion formed by the step is provided.